Home / 25,118.82-34,664.52-15,057.84

Finding the Fourth Proportional to 25,118.82, 34,664.52 and 15,057.84

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Solution

The fourth proportional to 25,118.82, 34,664.52 and 15,057.84 is: 20,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.82 : 34,664.52 = 15,057.84 : x
  2. Step 2: Convert to fraction form
    25,118.82/34,664.52 = 15,057.84/x
  3. Step 3: Cross multiply
    25,118.82x = 34,664.52 × 15,057.84
  4. Step 4: Simplify right side
    25,118.82x = 521,972,795.84
  5. Step 5: Solve for x
    x = 521,972,795.84/25,118.82
  6. Step 6: Final answer
    x = 20,780.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.